WallStSmart

Arista Networks (ANET)vsCostco Wholesale Corp (COST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Costco Wholesale Corp generates 3079% more annual revenue ($286.27B vs $9.01B). ANET leads profitability with a 39.0% profit margin vs 3.0%. ANET appears more attractively valued with a PEG of 1.85. ANET earns a higher WallStSmart Score of 69/100 (B-).

ANET

Strong Buy

69

out of 100

Grade: B-

Growth: 8.7Profit: 9.5Value: 7.3Quality: 7.3
Piotroski: 2/9Altman Z: 3.53

COST

Buy

53

out of 100

Grade: C-

Growth: 6.0Profit: 6.5Value: 2.0Quality: 7.5
Piotroski: 4/9Altman Z: 4.84
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

ANETSignificantly Overvalued (-29.4%)

Margin of Safety

-29.4%

Fair Value

$102.74

Current Price

$135.01

$32.27 premium

UndervaluedFair: $102.74Overvalued
COSTSignificantly Overvalued (-74.7%)

Margin of Safety

-74.7%

Fair Value

$558.15

Current Price

$974.86

$416.71 premium

UndervaluedFair: $558.15Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ANET6 strengths · Avg: 9.5/10
Return on EquityProfitability
31.4%10/10

Every $100 of equity generates 31 in profit

Profit MarginProfitability
39.0%10/10

Keeps 39 of every $100 in revenue as profit

Operating MarginProfitability
41.5%10/10

Strong operational efficiency at 41.5%

Altman Z-ScoreHealth
3.5310/10

Safe zone — low bankruptcy risk

Market CapQuality
$164.71B9/10

Large-cap with strong market position

Revenue GrowthGrowth
28.9%8/10

Revenue surging 28.9% year-over-year

COST5 strengths · Avg: 9.2/10
Market CapQuality
$432.25B10/10

Mega-cap, among the largest globally

Altman Z-ScoreHealth
4.8410/10

Safe zone — low bankruptcy risk

Return on EquityProfitability
29.6%9/10

Every $100 of equity generates 30 in profit

Debt/EquityHealth
0.279/10

Conservative balance sheet, low leverage

Free Cash FlowQuality
$1.71B8/10

Generating 1.7B in free cash flow

Areas to Watch

ANET4 concerns · Avg: 3.3/10
PEG RatioValuation
1.854/10

Expensive relative to growth rate

Price/BookValuation
13.7x4/10

Trading at 13.7x book value

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
47.6x2/10

Premium valuation, high expectations priced in

COST4 concerns · Avg: 3.0/10
Price/BookValuation
13.5x4/10

Trading at 13.5x book value

Profit MarginProfitability
3.0%3/10

3.0% margin — thin

Operating MarginProfitability
3.7%3/10

Operating margin of 3.7%

PEG RatioValuation
5.412/10

Expensive relative to growth rate

Comparative Analysis Report

WallStSmart Research

Bull Case : ANET

The strongest argument for ANET centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 39.0% and operating margin at 41.5%. Revenue growth of 28.9% demonstrates continued momentum.

Bull Case : COST

The strongest argument for COST centers on Market Cap, Altman Z-Score, Return on Equity.

Bear Case : ANET

The primary concerns for ANET are PEG Ratio, Price/Book, Piotroski F-Score. A P/E of 47.6x leaves little room for execution misses.

Bear Case : COST

The primary concerns for COST are Price/Book, Profit Margin, Operating Margin. A P/E of 50.7x leaves little room for execution misses. Thin 3.0% margins leave little buffer for downturns.

Key Dynamics to Monitor

ANET profiles as a growth stock while COST is a value play — different risk/reward profiles.

ANET carries more volatility with a beta of 1.46 — expect wider price swings.

ANET is growing revenue faster at 28.9% — sustainability is the question.

COST generates stronger free cash flow (1.7B), providing more financial flexibility.

Bottom Line

ANET scores higher overall (69/100 vs 53/100), backed by strong 39.0% margins and 28.9% revenue growth. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Arista Networks

TECHNOLOGY · COMPUTER HARDWARE · USA

Arista Networks (formerly Arastra) is an American computer networking company headquartered in Santa Clara, California. The company designs and sells multilayer network switches to deliver software-defined networking (SDN) solutions for large datacenter, cloud computing, high-performance computing, and high-frequency trading environments.

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Costco Wholesale Corp

CONSUMER DEFENSIVE · DISCOUNT STORES · USA

Costco Wholesale Corporation (doing business as Costco Wholesale and also known simply as Costco) is an American multinational corporation which operates a chain of membership-only (needing a membership to shop there) big-box retail stores. As of 2020, Costco was the fifth largest retailer in the world, and the world's largest retailer of choice and prime beef, organic foods, rotisserie chicken, and wine as of 2016.

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